<!DOCTYPE html>
<html lang="zh">

<head>
    <meta charset="utf-8">
    <title>渐隐式按钮</title>
    <style>
        .app {
            width: 100%;
            height: 100vh;
            background-color: #fff;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .macaron-btn {
            width: 120px;
            height: 48px;
            font-size: 16px;
            font-weight: bold;
            color: #fff;
            letter-spacing: 2px;
            position: relative;
            border: none;
            outline: none;
            background-color: #87CEFA;
            /* 马卡龙浅蓝色 */
            border-radius: 7px;
            cursor: pointer;
            box-shadow: 0 0 0 4px #6495ED;
            /* 较深的马卡龙蓝色 */
            transition: all 0.1s linear;
        }

        .macaron-btn:after {
            content: '按钮哦~';
            width: 100%;
            font-size: 16px;
            font-weight: bold;
            color: #6495ED;
            /* 较深的马卡龙蓝色 */
            letter-spacing: 2px;
            position: absolute;
            left: 0;
            opacity: 1;
            transition: all 0.3s linear;
        }

        .macaron-btn:hover:after {
            opacity: 0;
            transform: translateY(-20px);
        }

        .macaron-btn:active {
            transform: scale(0.99);
            box-shadow: 0 0 0 2px #6495ED;
            /* 较深的马卡龙蓝色 */
        }
    </style>
</head>

<body>
    <div class="app">
        <button class="macaron-btn">按钮哦~</button>
    </div>
</body>

</html>